package test.day01;

public class Demo {

    public static void main(String[] args) {
        System.out.println(1 + 1);
        int a;
        a = 10;
        a = 20 + a;
        System.out.println(a);
        double d = 23;
        System.out.println(d);
        boolean b;
        b = 100 > 24;
        System.out.println(b);

        int num = 10;
        int num1 = num++;
        System.out.println(num1);//num1 = 11; num = 12;
        num = ++num;
        System.out.println(num);//num = 13;
        int a1 = ++num;
        System.out.println(a1);//a1 = 14;
        System.out.println(num);//num = 14;
        int a2 = num++;
        System.out.println(a2);//a2 = 14;
        System.out.println(num);//num = 15;


    }
}
